On the limitations in assessing stability of oxygen evolution catalysts using aqueous model electrochemical cells

Autor: Julius Knöppel, Maximilian Möckl, Daniel Escalera-López, Kevin Stojanovski, Markus Bierling, Thomas Böhm, Simon Thiele, Matthias Rzepka, Serhiy Cherevko
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Nature Communications, Vol 12, Iss 1, Pp 1-9 (2021)
Druh dokumentu: article
ISSN: 2041-1723
62496255
DOI: 10.1038/s41467-021-22296-9
Popis: Dissolution of Ir catalysts varies widely between PEM water electrolysers and aqueous electrolytes. Here, we systematically investigate this finding and propose that stabilization of the catalysts over time and overestimated ionomer acidity are the main contributors to the dissolution discrepancy.
Databáze: Directory of Open Access Journals
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